ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,661, issued on May 19, was assigned to Evonik Operations GmbII (Essen, Germany).
"Additives useful in 3D printing technologies" was invented by Juan Jesus Burdeniuc (Colmar, Pa.), Jared Denis Bender (Breinigsville, Pa.), Thomas Dugan Jr. (Allentown, Pa.) and Evan Samples (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates generally to amine curing agents compositions useful in formulation additives, compositions comprising systems, resin formulations, and the use of these compositions in methods of making objects by additive manufacturing using 3D printing methodologies."
The patent was filed on Oct. 4, 2022, under ...